document.write( "Question 1013918: You read 10 pages in a book, stopping at the top of page x.
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document.write( "On what page did you begin? \n" );
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Algebra.Com's Answer #630245 by Edwin McCravy(20065) You can put this solution on YOUR website! You read 10 pages in a book, stopping at the top of page x. \n" ); document.write( "On what page did you begin? \n" ); document.write( " \r\n" ); document.write( "Here are two ways to get the answer:\r\n" ); document.write( "\r\n" ); document.write( "First way:\r\n" ); document.write( "\r\n" ); document.write( "Since you stopped at the top of page x, you did not read page x.\r\n" ); document.write( "\r\n" ); document.write( "We look at a sequence of numbers:\r\n" ); document.write( "\r\n" ); document.write( "If x=11, she read pages 1,2,3,4,5,6,7,8,9,10, she began at page 1, \r\n" ); document.write( "and since x=11, and she started on page 1, and 1 is 11-10, then\r\n" ); document.write( "that means she started on page x-10.\r\n" ); document.write( "\r\n" ); document.write( "If x=12, she read pages 2,3,4,5,6,7,8,9,10,11 she began at page 2, \r\n" ); document.write( "and since x=12, and she started on page 2, and 2 is 12-10, then\r\n" ); document.write( "that means she started on page x-10.\r\n" ); document.write( "\r\n" ); document.write( "If x=13, she read pages 3,4,5,6,7,8,9,10,11,12 she began at page 3, \r\n" ); document.write( "and since x=13, and she started on page 3, and 3 is 13-10, then\r\n" ); document.write( "that means she started on page x-10.\r\n" ); document.write( "\r\n" ); document.write( "We can keep going with this as far as we like, but we see that she\r\n" ); document.write( "started on page x-10 every time.\r\n" ); document.write( "\r\n" ); document.write( "------------------------\r\n" ); document.write( "\r\n" ); document.write( "Second way:\r\n" ); document.write( "\r\n" ); document.write( "Another way to look at it is that if you ended at the top of page x, \r\n" ); document.write( "you did not read page x, and the last page you read was page x-1. \r\n" ); document.write( "So the 10 pages you read, from the last page to the first page, were:\r\n" ); document.write( "\r\n" ); document.write( " 1. x-1\r\n" ); document.write( " 2. x-2\r\n" ); document.write( " 3. x-3\r\n" ); document.write( " 4. x-4\r\n" ); document.write( " 5. x-5\r\n" ); document.write( " 6. x-6\r\n" ); document.write( " 7. x-7\r\n" ); document.write( " 8. x-8\r\n" ); document.write( " 9. x-9\r\n" ); document.write( "10. x-10\r\n" ); document.write( "\r\n" ); document.write( "So the first page you read was page x-10.\r\n" ); document.write( "\r\n" ); document.write( "Edwin \n" ); document.write( " \n" ); document.write( " |